Incorrect comparison vulnerability in GitHub Enterprise Server leading to commit smuggling
CVE-2023-23762

6.5MEDIUM

Key Information:

Vendor

Github
Status
Enterprise Server
Vendor
CVE Published:
7 April 2023

What is CVE-2023-23762?

An incorrect comparison vulnerability was identified in GitHub Enterprise Server that allowed commit smuggling by displaying an incorrect diff. To do so, an attacker would need write access to the repository and be able to correctly guess the target branch before it’s created by the code maintainer. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.9 and was fixed in versions 3.4.18, 3.5.15, 3.6.11, 3.7.8, and 3.8.1. This vulnerability was reported via the GitHub Bug Bounty program.

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Affected Version(s)

Enterprise Server 3.4.0 <= 3.4.17

Enterprise Server 3.4.0 <= 3.4.17

Enterprise Server 3.5.0 <= 3.5.14

References

https://docs.github.com/en/enterprise-server@3.8/admin/re...
https://docs.github.com/en/enterprise-server@3.7/admin/re...
https://docs.github.com/en/enterprise-server@3.6/admin/re...

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
Low
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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